急!!!一道非常简单的数学题,求答案!!!

sby188

A school administrator will assign each student in a group of n students to one of m classrooms.  If 3 < m < 13 < n, is it possible to assign each of the n students to one of the m classrooms so that each classroom has the same number of students assigned to it?
    (1) It is possible to assign each of 3n students to one of m classrooms so that each classroom has the same number of students assigned to it.
    (2) It is possible to assign each of 13n students to one of m classrooms so that each classroom has the same number of students assigned to it.

[tr][td][/td]Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. [/tr]
[tr][td][/td]BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.[/tr][tr][td][/td]EACH statement ALONE is sufficient.[/tr][tr][td][/td]Statements (1) and (2) TOGETHER are NOT sufficient.[/tr]